Chrome Extension Privacy Policy
Last Updated: October 26, 2025
Extension Name: Smart CAGR Calculator
Developer: CAGR Calculator Team
Introduction
This Privacy Policy describes how the Smart CAGR Calculator Chrome Extension ("the Extension") handles user information. We are committed to protecting your privacy.
The Extension is a browser extension that provides quick CAGR (Compound Annual Growth Rate) calculations directly in your browser, developed by the team behind cagrcalculator.app.
Data Collection
The Extension does NOT collect any user data.
Specifically:
- β We do NOT collect personal information
- β We do NOT use cookies
- β We do NOT track your browsing activity
- β We do NOT collect financial information or calculation data
- β We do NOT transmit any data to external servers
Local Storage
Language Preference Only:
The Extension stores only one piece of information locally on your device:
- Your selected language preference (e.g., English, Chinese, Spanish, etc.)
This preference is stored using Chrome's storage.local API and:
- β Remains on your device only
- β Is never transmitted to any server
- β Can be cleared by uninstalling the Extension
Data Processing
All Calculations Are Local:
- All CAGR calculations are performed entirely on your device
- Input values (initial value, final value, time period, growth rate) are processed locally
- Calculation results are displayed only to you
- No calculation data is stored, collected, or transmitted
Permissions
The Extension requires the following Chrome permission:
Storage Permission:
- Purpose: To save your language preference
- Scope: Local storage only (chrome.storage.local)
- Data: Only language selection (e.g., "en", "zh_CN", "es")
Third-Party Services
None
- The Extension does NOT use third-party analytics
- The Extension does NOT use third-party advertising
- The Extension does NOT integrate with any external services
- The Extension works completely offline
Data Sharing
We do NOT share any data because we do not collect any data.
Specifically:
- We do NOT sell user data
- We do NOT transfer data to third parties
- We do NOT use data for advertising purposes
- We do NOT use data for credit decisions
Children's Privacy
The Extension does not knowingly collect information from children under 13 years of age. Since we do not collect any user data, the Extension is safe for users of all ages.
Website vs. Extension
Important Note:
This privacy policy applies ONLY to the Smart CAGR Calculator Chrome Extension.
Our website (cagrcalculator.app) has a separate privacy policy that describes website-specific practices, including website cookies and analytics. The website privacy policy does NOT apply to the Chrome Extension.
For the website privacy policy, please visit: https://cagrcalculator.app/en/privacy
Contact Us
If you have questions about this Privacy Policy, please contact us:
Email: toneychan2025@gmail.com
Website: https://cagrcalculator.app
Changes to This Privacy Policy
We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated "Last Updated" date.
Summary
In Plain Language:
The Smart CAGR Calculator Extension:
- β Works completely offline
- β Stores only your language choice (on your device)
- β Does NOT collect, transmit, or share any data
- β Does NOT use cookies
- β Respects your privacy completely
You can use the Extension with confidence knowing that your financial calculations and data remain private and on your device.